| merpius |
If you are talking about the 3PP template: [url=https://www.d20pfsrd.com/bestiary/monster-listings/templates/eldritch-cr-varies/]Eldritch Template[\url]
Then it indicates that each selection of the Ability Damage ability only affects a single natural weapon, as opposed to a single type of natural weapon; so it would only affect 1 claw. You could pick it twice and affect both claws, if you preferred, assuming you have at least 4 EP.